Implement per-context filtering

[lttng-ust.git] / liblttng-ust / lttng-context-pthread-id.c

diff --git a/liblttng-ust/lttng-context-pthread-id.c b/liblttng-ust/lttng-context-pthread-id.c
index e0f662f2c52da6a5c211055e3c3a9bd5044539b1..bf20c695f2d48f08f0787114de576ab44b152c0d 100644 (file)
--- a/liblttng-ust/lttng-context-pthread-id.c
+++ b/liblttng-ust/lttng-context-pthread-id.c
@@ -47,6 +47,16 @@ void pthread_id_record(struct lttng_ctx_field *field,
        chan->ops->event_write(ctx, &pthread_id, sizeof(pthread_id));
 }
 
+static
+void pthread_id_get_value(struct lttng_ctx_field *field,
+               union lttng_ctx_value *value)
+{
+       unsigned long pthread_id;
+
+       pthread_id = (unsigned long) pthread_self();
+       value->s64 = pthread_id;
+}
+
 int lttng_add_pthread_id_to_ctx(struct lttng_ctx **ctx)
 {
        struct lttng_ctx_field *field;
@@ -68,5 +78,6 @@ int lttng_add_pthread_id_to_ctx(struct lttng_ctx **ctx)
        field->event_field.type.u.basic.integer.encoding = lttng_encode_none;
        field->get_size = pthread_id_get_size;
        field->record = pthread_id_record;
+       field->get_value = pthread_id_get_value;
        return 0;
 }